Add 4 independent seed brands: Latham + Stine + 1st Choice + Burrus (+623 varieties) (#17)

Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
2026-06-04 21:58:07 -04:00
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+# LH 3397 VT2 PRO RIB
+
+- **Vendor:** Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
+- **Brand:** Latham Hi-Tech Seeds
+- **Crop:** Corn
+- **Relative maturity:** 83 days
+- **Trait(s):** VT2 PRO RIB
+- **Source:** https://www.lathamseeds.com/products/lh-3397-vt2-pro-rib/
+- **Rating scale:** numeric ratings ~1-9 where LOWER = BETTER (1 = best / most tolerant / most resistant); confirmed by cross-referencing Product Overview prose vs values (top-rated stalks/roots cluster 1.0-1.5, weak traits 3.0-3.5, none approach 9). Categorical values pass through verbatim (SCN source 'PI 88788', Phytophthora 'Rps 1k', Anthracnose 'ASR', 'Medium Tall', 'Flex'). NA/blank = not rated.
+- **Service area:** Latham dealer network — Upper Midwest (IA/MN/WI/IL/ND/SD/NE)
+
+---
+
+_Amongst the leaders in this relative maturity, LH 3397 VT2 PRO RIB is a favorite for corn-on-corn situations because of its excellent roots and late-season intactness. Plant LH 3397 VT2 PRO RIB on your most productive ground at higher plant populations for high yields of heavy, test weight grain._
+
+---
+
+## Agronomic Characteristics
+
+- **Emergence:** 2.0
+- **Flowering for Maturity:** Early
+- **Early Vigor:** 2.0
+- **Stalk Strength:** 2.5
+- **Root Strength:** 1.5
+- **Stay Green:** 3.0
+- **Drydown:** 1.5
+- **Test Weight:** 1.5
+- **Drought Tolerance:** 2.0
+- **Foliar Fungicide:** 2.0
+- **Herbicide Sensitivity:** None Known
+- **Suggested Population:** 34-36
+- **Corn-on-Corn:** 2.0
+- **Ear Height:** Medium Low
+- **Ear Type:** Determinate
+- **Number of Kernel Rows:** 14-16
+- **Cob Color:** Red
+- **Husk Cover:** Medium
+- **Shank Length:** Long
+- **Leaf Angle:** Semi-Upright
+
+## Disease Ratings
+
+- **Goss’s Wilt:** 2.5
+- **Common Rust:** 2.5
+- **Southern Leaf Blight:** 2.0
+- **Northern Leaf Blight:** 2.0
+- **Anthracnose Stalk Rot:** 3.0
+- **Eye Spot:** 1.5
+- **Gray Leaf Spot:** 3.0